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N-net Technology Co., Ltd

 
 
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Optical Modem 

  Category : Telecommunications->Modems->modem

     
Optical Modem
       

  Product Specification
 
  Model No:      NT-277
  Brand  N-NET

 

    Product Detail
  The multi-functional NT-277M/NT-277S Optical Modem supports asynchronous communication interface such as RS-232, RS-422 and RS-485.
NT-277M/NT-277S is the optimal choice to link remote terminal unit(RTU) to HOST or SCADA controller. The product adopts optical fiber as the transmission medium thus enhances the systematic transmission performance.
The threats of thunderstruck, surge and electromagnetic interference on communication equipment under harsh environment can be effectively avoided.

Support point-to-point connection or loop connection.
Support various asynchronous communication protocols such as interfaces of RS-232, RS-422, RS-485, and simultaneous use of two interfaces of RS232, RS-422, RS-485 is available
Support two threads(half duplex) and for threads(full duplex) RS-485 operation modes. Communication speed is up to 460Kbps
Support master-slave operation mode, and slave operation mode can be used as repeater

   


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